title: Anterior urethral valves.
mesh_terms: D002648:Child; D004240:Diverticulum / Q000175:diagnosis; D006801:Humans; D008297:Male; D014521:Urethra / Q000002:abnormalities*; D014522:Urethral Diseases / Q000175:diagnosis; D014555:Urination Disorders / Q000175:diagnosis